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PT R27 010
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PBR 360, Pirani/Bayard-Alpert, DN 25 ISO-KF
Order number: PT R27 010

  • Combined Pirani and Bayard-Alpert sensor
  • High security by two filaments
  • High measurement accuracy
  • Bayard-Alpert sensor ON/OFF automatically controlled by Pirani sensor
Accuracy of measurement in range 1 10 % (1 · 10-8 hPa – 1 · 10 hPa)  
Accuracy of measurement in range 2 30 % (1 · 10 hPa – 1 · 103 hPa)  
Ambient temperature 5-60 °C | 41-140 °F | 278-333 K
Bakeout temperature: at the flange (voltage supply switched off) 180 °C | 356 °F | 453 K
Connection flange DN 25 ISO-KF  
Filament Pirani: Tungsten hot cathode: Iridium coated with Y2O3
Input voltage(s) 20 – 30 V DC  
Materials in contact with media Stainless steel 1.4307 (AISI 304L)
Tungsten
Nickel
Glass
Measurement cable length 100 m
Measuring method Pirani
Bayard-Alpert
Measuring range 5 · 10-10 – 1 · 103 hPa
Number of filaments 2
Output signal: Measuring range 0.774 – 10 V  
Output signal: Minimum load 10 kΩ
Power consumption max. 9 W
Pressure max. 4,000 hPa | 3,000 Torr | 4,000 mbar
Repeatability in range 1 5 % (1 · 10-8 hPa – 1 · 10-2 hPa)  
Repeatability in range 2 2 % (1 · 10-2 hPa – 10 hPa)  
Temperature: Storage -40-65 °C | -40-149 °F | 233-338 K
Volume 17 cm³
Weight 0.47 kg | 1.04 lb

Dimension-TIM-RS

Your local contact
Pfeiffer Vacuum Inc.
24 Trafalgar Square
NH 03063-1988 Nashua
USA

+1 (800) 248-8254
+1 (888) 658-7983
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